TM 5-3805-254-20-1
PREHEATER PRIMER PUMP
This task covers:
a.
Removal (page 2-484)
b.
Installation (page 2-484)
INITIAL SETUP:
Tools
Personnel Required
Pan, drain, 2-gallon
One
Pliers, slip-joint, 6-inch
Wrench, open-end, 1/2-inch
Equipment Condition
Wrench, open-end, 9/16-inch
Wrench, open-end, 11/16-inch
Left side hood panel opened (page 2-424).
Wrench, open-end, 13/16-inch
Battery cables disconnected (page 2-424).
Scale, machinist’s, 6-inch
Materials/Parts
Tags, marker (item 21, appendix C)
ACTION
LOCATION
ITEM
REMARKS
REMOVAL
WARNING
Diesel fuel burns easily. Do not smoke or allow flames nearby. Disconnect batteries when
working on fuel system. Failure to observe these precautions could cause serious injury or death
to personnel.
1.
Preheater primer
Outlet fuel
Using marker tags, tag as OUTLET.
pump (1)
line (2)
2.
Inlet fuel line (3)
Using marker tags, tag as INLET.
3.
Outlet fitting (4)
Outlet fuel line (2)
Using 9/16-inch and 1/2-inch open-end
wrenches, unscrew and take off.
4.
Inlet fitting (5)
Inlet fuel line (3)
Using 9/16-inch and 1/2-inch open-end
wrenches, unscrew and take off.
2-484
